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TPO 0.75x Focal Reducer for Ritchey-Chretien Telescopes


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Product Details

  • Fully multi-coated optics, the Third Planet Optics 2" focal reducer will reduce your focal length by 0.75x shortening exposure times while still retaining a crisp image with excellent color and contrast. Extra long focal length to be perfectly compatible with the TPO RC telescopes, off-axis guiders, and filter wheels and is best for CCD sensors with up to a 15mm diagonal. Two element design effectively reduces focal ratios of the Third Planet Optics Ritchie Chretien from f/9 to f/6.75 and from f/8 to f/6.

    • Reduction: Nominal 0.75x
    • Size: 2 Inch
    • Two Element Design
    • Two Year Warranty Included!
  • specifications

    Back Focus80mm
    Camera Side ConnectionMale M48x0.75
    Free ShippingYes
    Scope Side Connection2" Nosepiece (housing)
    Scope Side ConnectionFemale M48x0.75
    Warranty2 Year Warranty

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    Michael N.
    United States United States
    you loose your flat field

    Would not recomend unless you expect to crop your image